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SBA-15 SiOx as Mesoreactor for Copper Nanoparticles
Linköping University, Department of Physics, Chemistry and Biology, Nanostructured Materials . Linköping University, Department of Physics, Chemistry and Biology.
2009 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The work presented in this thesis has been focus on developing the idea of mesoreactor based on mesoporous silica SBA-15. SBA-15 is a mesoporous material with highly ordered pore structure and tailorable pore sizes with narrow sizes distribution. SBA-15 has been utilized to provide reaction sites for electroless copper deposition and the support of the synthesized copper nanoparticles. Oxidation processes have been conducted in order to improve the weak ion-exchange capability of as-synthesized silica surfaces. The efficiency of oxidation processes have been studied through various oxidizing agents and time. The surface treatments of mesoporous silica have been proofed to affect the distribution of the nanoparticles. Copper nanoparticles of 5 nm with narrow size distribution have been synthesized without the use of any capping agents and are homogeneously embedded in the silica matrix.

Place, publisher, year, edition, pages
2009. , 68 p.
Keyword [en]
Copper nanoparticles, mesoporous silica, mesoreactor, SBA-15
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-19827ISRN: LITH-IFM-A-EX--09/2118--SEOAI: diva2:234458
Jordan-Fermi, Fysikhuset, Linköping University, SE-581 83 Linköping, Sweden (English)
Physics, Chemistry, Mathematics
Available from: 2009-09-10 Created: 2009-08-11 Last updated: 2009-09-10Bibliographically approved

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Tsai, Hao-Tso
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